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Emission Applications

1992 Domestic Trucks & Vans

Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (8500 GVWR Or Less) 
2.5L (151") 4-Cyl. TBI PCV, ACL, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST
1
2.8L (170") V6 TBI PCV, ACL, EVAP, TWC, FR, EGR, SPK, AP, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC, AP-ACV
1
3.1L (190") V6 TBI PCV, ACL, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EVAP-CPTVS, EGR-CS, SPK-EST, SPK-ESC
1
3.8L (231") V6 MFI PCV, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EVAP-CPCS, EVAP-TPCV, EGR-CS, SPK-EST, SPK-ESC
1
4.3L (262") V6 CPI PCV, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EVAP-CPCS, SPK-EST, SPK-ESC
1 & 2
4.3L (262") V6 TBI PCV, ACL, EVAP, TWC, FR, EGR, SPK,  (4)  AP, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC, AP-ACV
1
4.3L (262") V6 Turbo PCV, EVAP, TWC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EGR-EVRV, SPK-EST
1
5.0L (305") V8 TBI PCV, ACL, EVAP, TWC, FR, EGR, SPK,  (4)  AP, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC, AP-ACV
1
5.7L (350") V8 TBI PCV, ACL, EVAP, TWC, FR, EGR, SPK,  (4)  AP, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC, AP-ACV
1
7.4L (454") V8 TBI PCV, ACL, EVAP, OC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC, AP-ACV
1
Heavy Duty Emissions (8501 GVWR Or More)  (3) 
4.3L (262") V6 TBI PCV, ACL, EVAP, OC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC
1
5.7L (350") V8 TBI PCV, ACL, EVAP, OC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC
1
7.4L (454") V8 TBI PCV, ACL, EVAP, OC, FR, EGR, SPK, O2S, CEC, MIL 
EVAP-VC, EGR-CS, SPK-EST, SPK-ESC
1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number.
(3) For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table.
(4) Some models.